"Sat, 21 Sep 2024 09:39:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
09:39:26
General datetime
2024-09-21 09:39:26Z
For Database
2024-09-21 09:39:26
For HTTP1.1
Sat, 21 Sep 2024 09:39:26 GMT